Power failure light



FIG. 1 is a rear top right perspective view of the charging mode of the power failure light of the present invention;

FIG. 2 is a rear view of the charging mode;

FIG. 3 is a front view of the charging mode;

FIG. 4 is a right side elevational view of the charging mode;

FIG. 5 is a left side elevational view of the charging mode;

FIG. 6 is a top view of the charging mode;

FIG. 7 is a bottom view of the charging mode.

FIG. 8 is a rear top right perspective view of the usage mode of the power failure light of the present invention;

FIG. 9 is a rear view of the usage mode;

FIG. 10 is a front view of the usage mode;

FIG. 11 is a right side elevational view of the usage mode;

FIG. 12 is a left side elevational view of the usage mode;

FIG. 13 is a top view of the usage mode; and,

FIG. 14 is a bottom view of the usage mode.

The portions of the power failure light shown in broken lines form no part of the claimed design. 

The ornamental design for a power failure light, as shown and described. 